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Thiophene, 2,3-dimethyl-

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Phase change data

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil413.7KN/AShepard, 1932Uncertainty assigned by TRC = 2. K; TRC
Tboil414.4KN/AShepard, 1932Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Tfus224.2KN/AShepard, 1932Uncertainty assigned by TRC = 0.6 K; TRC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
9.42368.AStephenson and Malanowski, 1987Based on data from 353. - 473. K. See also Dykyj, 1972.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 1675

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Gas Chromatography

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCP Sil 8 CB893.Elmore, Campo, et al., 200260. m/0.25 mm/0.25 «mu»m, He, 40. C @ 2. min, 4. K/min; Tend: 280. C
CapillaryBPX-5898.Ames, Guy, et al., 200150. m/0.32 mm/0.5 «mu»m, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min
CapillaryDB-1877.Zhang and Ho, 199160. m/0.25 mm/0.25 «mu»m, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCP-WAX 57CB1203.Whitfield, Mottram, et al., 1988He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm
CapillaryCP-WAX 57CB1207.Whitfield, Mottram, et al., 1988He, 60. C @ 5. min, 4. K/min, 200. C @ 10. min; Column length: 50. m; Column diameter: 0.32 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPONA874.Yang, Wang, et al., 200450. m/0.20 mm/0.50 «mu»m, N2, 2. K/min; Tstart: 35. C; Tend: 170. C
CapillaryPONA867.Yang, Wang, et al., 200350. m/0.20 mm/0.50 «mu»m, 2. K/min; Tstart: 30. C; Tend: 150. C
CapillaryCP-Sil 5868.Damste, van Dalen, et al., 198825. m/0.32 mm/0.45 «mu»m, Helium, 0. C @ 5. min, 3. K/min; Tend: 300. C
CapillaryCP-Sil 5869.Damste, van Dalen, et al., 198825. m/0.32 mm/0.45 «mu»m, Helium, 0. C @ 5. min, 3. K/min; Tend: 300. C
CapillaryCP Sil 5 CB868.Damste, Kock-van Dalen, et al., 198825. m/0.32 mm/0.45 «mu»m, He, 3. K/min; Tstart: 50. C; Tend: 300. C
CapillaryCP Sil 5 CB869.Damste, Kock-van Dalen, et al., 198825. m/0.32 mm/0.45 «mu»m, He, 3. K/min; Tstart: 50. C; Tend: 300. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryPONA870.Yang, Wang, et al., 200350. m/0.20 mm/0.50 «mu»m; Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1212.Umano, Hagi, et al., 1995He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C
CapillaryCarbowax 20M1221.Shibamoto and Russell, 19771. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C
CapillaryCarbowax 20M1218.Shibamoto and Russell, 1976N2, 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C

References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Shepard, 1932
Shepard, A.F., The Preparation and Properties of Some Substituted 2-Methylthiophenes, J. Am. Chem. Soc., 1932, 54, 2951. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Elmore, Campo, et al., 2002
Elmore, J.S.; Campo, M.M.; Enser, M.; Mottram, D.S., Effect of lipid composition on meat-like model systems containing cysteine, ribose, and polyunsaturated fatty acids, J. Agric. Food Chem., 2002, 50, 5, 1126-1132, https://doi.org/10.1021/jf0108718 . [all data]

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547 . [all data]

Zhang and Ho, 1991
Zhang, Y.; Ho, C.-T., Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione, J. Agric. Food Chem., 1991, 39, 4, 760-763, https://doi.org/10.1021/jf00004a029 . [all data]

Whitfield, Mottram, et al., 1988
Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J., Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose, J. Sci. Food Agric., 1988, 42, 3, 261-272, https://doi.org/10.1002/jsfa.2740420309 . [all data]

Yang, Wang, et al., 2004
Yang, Y.; Wang, Z.; Zong, B.; Yang, H., Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography with a sulfur chemiluminiscence detector, Chin. J. Chromatogr., 2004, 22, 3, 216-219. [all data]

Yang, Wang, et al., 2003
Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y., Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector, Petrochemical Technology (Shiyou Huagong), 2003, 32, 11, 995-998. [all data]

Damste, van Dalen, et al., 1988
Damste, J.S.S.; van Dalen, A.C.K.; de Leeuw, J.W.; Schenck, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolisates of sulfur-rich kerogenes, J. Chromatogr., 1988, 435, 435-452, https://doi.org/10.1016/S0021-9673(01)82208-1 . [all data]

Damste, Kock-van Dalen, et al., 1988
Damste, J.S.S.; Kock-van Dalen, A.C.; de Leeuw, J.W.; Schenk, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolysates of sulphur-rich kerogens, J. Chromatogr., 1988, 435, 435-452, https://doi.org/10.1016/S0021-9673(01)82208-1 . [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]

Shibamoto and Russell, 1977
Shibamoto, T.; Russell, G.F., A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system, J. Agric. Food Chem., 1977, 25, 1, 109-112, https://doi.org/10.1021/jf60209a054 . [all data]

Shibamoto and Russell, 1976
Shibamoto, T.; Russell, G.F., Study of meat volatiles associated with aroma generated in a D-glucose-hydrogen sulfide-ammonia model system, J. Agric. Food Chem., 1976, 24, 4, 843-846, https://doi.org/10.1021/jf60206a047 . [all data]


Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References